US5532274A - Orally administerable drugs for the treatment of central dopamine deficiency conditions - Google Patents
Orally administerable drugs for the treatment of central dopamine deficiency conditions Download PDFInfo
- Publication number
- US5532274A US5532274A US08/090,163 US9016394A US5532274A US 5532274 A US5532274 A US 5532274A US 9016394 A US9016394 A US 9016394A US 5532274 A US5532274 A US 5532274A
- Authority
- US
- United States
- Prior art keywords
- weight
- polyvinyl alcohol
- parts
- saponified polyvinyl
- drugs
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229940079593 drug Drugs 0.000 title claims abstract description 25
- 239000003814 drug Substances 0.000 title claims abstract description 25
- VYFYYTLLBUKUHU-UHFFFAOYSA-N dopamine Chemical compound NCCC1=CC=C(O)C(O)=C1 VYFYYTLLBUKUHU-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 229960003638 dopamine Drugs 0.000 title claims abstract description 9
- 230000007812 deficiency Effects 0.000 title claims abstract description 7
- 238000011282 treatment Methods 0.000 title claims abstract description 6
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 33
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 26
- 239000000203 mixture Substances 0.000 claims abstract description 22
- WTDRDQBEARUVNC-LURJTMIESA-N L-DOPA Chemical compound OC(=O)[C@@H](N)CC1=CC=C(O)C(O)=C1 WTDRDQBEARUVNC-LURJTMIESA-N 0.000 claims abstract description 15
- WTDRDQBEARUVNC-UHFFFAOYSA-N L-Dopa Natural products OC(=O)C(N)CC1=CC=C(O)C(O)=C1 WTDRDQBEARUVNC-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229960004502 levodopa Drugs 0.000 claims abstract description 15
- 229960004205 carbidopa Drugs 0.000 claims abstract description 11
- TZFNLOMSOLWIDK-JTQLQIEISA-N carbidopa (anhydrous) Chemical compound NN[C@@](C(O)=O)(C)CC1=CC=C(O)C(O)=C1 TZFNLOMSOLWIDK-JTQLQIEISA-N 0.000 claims abstract description 11
- 238000009472 formulation Methods 0.000 claims abstract description 11
- 239000013583 drug formulation Substances 0.000 claims abstract description 9
- 229920002959 polymer blend Polymers 0.000 claims abstract description 6
- 239000011148 porous material Substances 0.000 claims abstract description 5
- 239000002671 adjuvant Substances 0.000 claims abstract description 4
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 claims abstract 7
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 21
- IVTMXOXVAHXCHI-YXLMWLKOSA-N (2s)-2-amino-3-(3,4-dihydroxyphenyl)propanoic acid;(2s)-3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoic acid Chemical compound OC(=O)[C@@H](N)CC1=CC=C(O)C(O)=C1.NN[C@@](C(O)=O)(C)CC1=CC=C(O)C(O)=C1 IVTMXOXVAHXCHI-YXLMWLKOSA-N 0.000 description 9
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 8
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 5
- 238000000338 in vitro Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 229940117958 vinyl acetate Drugs 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 235000019359 magnesium stearate Nutrition 0.000 description 4
- 239000000546 pharmaceutical excipient Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 208000018737 Parkinson disease Diseases 0.000 description 3
- 239000007903 gelatin capsule Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000825 pharmaceutical preparation Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000002775 capsule Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002496 gastric effect Effects 0.000 description 2
- 239000012907 medicinal substance Substances 0.000 description 2
- 239000002858 neurotransmitter agent Substances 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000003760 tallow Substances 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 206010003830 Automatism Diseases 0.000 description 1
- 229940081615 DOPA decarboxylase inhibitor Drugs 0.000 description 1
- 229940123736 Decarboxylase inhibitor Drugs 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 210000004227 basal ganglia Anatomy 0.000 description 1
- BNQDCRGUHNALGH-UHFFFAOYSA-N benserazide Chemical compound OCC(N)C(=O)NNCC1=CC=C(O)C(O)=C1O BNQDCRGUHNALGH-UHFFFAOYSA-N 0.000 description 1
- 229960000911 benserazide Drugs 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000008499 blood brain barrier function Effects 0.000 description 1
- 210000001218 blood-brain barrier Anatomy 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000002490 cerebral effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 210000001653 corpus striatum Anatomy 0.000 description 1
- 239000003954 decarboxylase inhibitor Substances 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000000534 dopa decarboxylase inhibitor Substances 0.000 description 1
- 230000002526 effect on cardiovascular system Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012153 long-term therapy Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012961 medicinal therapy Methods 0.000 description 1
- 210000002569 neuron Anatomy 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- 230000036470 plasma concentration Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/20—Pills, tablets, discs, rods
- A61K9/2004—Excipients; Inactive ingredients
- A61K9/2022—Organic macromolecular compounds
- A61K9/2027—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
- A61K31/19—Carboxylic acids, e.g. valproic acid
- A61K31/195—Carboxylic acids, e.g. valproic acid having an amino group
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
- A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
- A61K9/1605—Excipients; Inactive ingredients
- A61K9/1629—Organic macromolecular compounds
- A61K9/1635—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/14—Drugs for disorders of the nervous system for treating abnormal movements, e.g. chorea, dyskinesia
- A61P25/16—Anti-Parkinson drugs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
Definitions
- This invention relates to orally administrable drug formulations, which contain a combination of the drugs levodopa and carbidopa in defined proportions, as well as a process for their manufacture.
- the invention is useful in the pharmaceutical industry and makes available a pharmaceutical preparation which can be used for treatment of Parkinson's disease.
- a substitution of the missing biogenous amine can be achieved by supplying its precursor levodopa, which penetrates the blood-brain barrier; said levodopa being absorbed into the dopaminogenic neurons and decarboxylated into dopamine.
- levodopa e.g., carbidopa
- These pharmaceutical preparations can be polymer matrices (EP-PS 0 253 490, EP-PS 0 320 051), pellets (DE-PS 38 41 955, EP-PS 0 260 236, EP-PS 0 324 947), or also multi-layered molded shapes (EP-PS 0 302 693, EP-PS 0 314 206).
- drugs must be available to the therapeutic specialist, which correct, by an immediate complete liberation of the drugs levodopa and carbidopa, the transmitter deficiencies which have occurred in the course of a day, and consequently, produce a fast improvement in the patient's total condition.
- This invention has the object of developing a medicinal formulation which is periodically administrable by mouth, as well a process for its manufacture, according to which tablets and capsules can be manufactured from levodopa and carbidopa, from which the drugs, in a release period of about 30 to 45 minutes, are controlled and, over a further desired period, are released completely and evenly, but without significant delay.
- this object is achieved by mixing 100 to 250 parts by weight of levodopa and 10 to 25 parts by weight of carbidopa with a polymer mixture comprising 0 to 100 parts by weight of a completely saponified polyvinyl alcohol and 100 to 0 parts by weight of a partially saponified polyvinyl alcohol, in proportions of 10 to 200% based on the levodopa and carbidopa.
- customary pharmaceutical adjuvants are added in an amount which renders it possible to manufacture the respective medicinal formulation in a known manner, e.g., by direct tableting, tableting after granulation with a suitable binding agent, or by filling into hard gelatin capsules.
- polyvinyl alcohols commercial products are used, the k-values of which (Fikentscher, Cellulosechemi 13 (1932), 58), for completely saponified polyvinyl alcohols lie in a range of 40 to 59, and, for partially saponified polyvinyl alcohols, lie in a range of 50 to 59.
- Particularly suited are completely saponified polyvinyl alcohols with 0 to 3 percent of vinylacetate content, a mean molecular weight of 60,000 to 80,000, a total surface area of 0.1 m 2 /g to 0.18 m 2 /g and partially saponified polyvinyl alcohols with 10 to 18 percent of vinylacetate content, a mean molecular weight of 80,000, a total surface area of 0.5 m 2 /g to 0.69 m 2 /g and a specific pore volume of 0.2 cm 3 /g to 0.36 cm 3 /g.
- the process according to this invention produces a drug formulation which releases both medicinal substances quickly and over a certain period at defined ratios and thus guarantees an optimum bioavailability of the peripheral dopadecarboxylase inhibitor carbidopa and the dopamine precursor levodopa.
- Levodopa is mixed with carbidopa, a completely saponified polyvinyl alcohol PVA-1 having a vinylacetate content of 2.5%, a mean molecular weight of 70,000, a total surface area of 0.14 m 2 /g and a k-value of 55, with a partially saponified polyvinyl alcohol With a vinylacetate content of 15%, with a mean molecular weight of 80,000, with a total surface area of 0.57 m 2 /g, with a specific pore volume of 0.3 cm 3 /g and a mean k-value of 55, called PVA 2 in the following, as well as with magnesium stearate, and is directly molded into tablets with a compressing power of 10 to 15 kN.
- the granulate is subsequently brought to a grain size of 1.2 mm by putting it through a sieve, and then molded, with a set mass of 407 mg at a compressing force of 10 to 50 kN.
- the granulate by means of sieving, is brought to its maximum grain size of 1.2 mm, mixed with 30 g of tallow and 5 g of magnesium stearate for 15 minutes, and compressed with a compressing force of 10 to 50 kN, into tablets with a set mass of 440 mg.
- 100 g levodopa, 25 g carbidopa, 16 g PVA 1, 5 g PVA 2, and 3 g of silicon dioxide are mixed in a vortex granulator, sprayed with 10 ml of a 20% citric acid solution, and granulated with 75 ml of 10% of an aqueous solution of PVA 1 and dried simultaneously at a temperature of 60° C. to a residual water content of 3 to 4%.
Landscapes
- Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Chemical & Material Sciences (AREA)
- Veterinary Medicine (AREA)
- Medicinal Chemistry (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Engineering & Computer Science (AREA)
- Epidemiology (AREA)
- Organic Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Neurosurgery (AREA)
- Psychology (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Medicinal Preparation (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/472,391 US5624960A (en) | 1991-01-23 | 1995-06-07 | Orally administrable drugs for the treatment of central dopamine deficiency conditions |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4101873.7 | 1991-01-23 | ||
| DE4101873A DE4101873C2 (de) | 1991-01-23 | 1991-01-23 | Peroral applizierbare Arzneiform zur Behandlung zentraler Dopaminmangelzustände |
| PCT/DE1992/000043 WO1992012710A1 (de) | 1991-01-23 | 1992-01-23 | Peroral applizierbare arzneiform zur behandlung zentraler dopaminmangelzustände |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US08/472,391 Continuation-In-Part US5624960A (en) | 1991-01-23 | 1995-06-07 | Orally administrable drugs for the treatment of central dopamine deficiency conditions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US5532274A true US5532274A (en) | 1996-07-02 |
Family
ID=6423528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US08/090,163 Expired - Lifetime US5532274A (en) | 1991-01-23 | 1992-01-23 | Orally administerable drugs for the treatment of central dopamine deficiency conditions |
Country Status (22)
| Country | Link |
|---|---|
| US (1) | US5532274A (cs) |
| EP (1) | EP0568577B1 (cs) |
| JP (1) | JP3382940B2 (cs) |
| AT (1) | ATE147264T1 (cs) |
| AU (1) | AU658171B2 (cs) |
| BG (1) | BG61677B1 (cs) |
| CA (1) | CA2101164C (cs) |
| CZ (1) | CZ280847B6 (cs) |
| DE (2) | DE4101873C2 (cs) |
| DK (1) | DK0568577T3 (cs) |
| EE (1) | EE03016B1 (cs) |
| ES (1) | ES2098496T3 (cs) |
| FI (1) | FI101040B (cs) |
| GR (1) | GR3022993T3 (cs) |
| LT (1) | LT3659B (cs) |
| LV (1) | LV11103B (cs) |
| NO (1) | NO304638B1 (cs) |
| RO (1) | RO114737B1 (cs) |
| RU (1) | RU2114619C1 (cs) |
| SK (1) | SK278736B6 (cs) |
| UA (1) | UA27848C2 (cs) |
| WO (1) | WO1992012710A1 (cs) |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001001984A1 (en) * | 1999-06-30 | 2001-01-11 | Orion Corporation | Levodopa / carbidopa / entacapone pharmaceutical preparation |
| RU2173150C1 (ru) * | 2000-06-27 | 2001-09-10 | Васильев Виталий Николаевич | Фармацевтическая композиция для биокоррекции симпатико-адреналовой системы |
| EP1262198A1 (en) * | 2001-05-29 | 2002-12-04 | Pharma Pass S.A. | Composition with sustained release of levodopa and carbidopa |
| US20040180086A1 (en) * | 2002-10-11 | 2004-09-16 | Zebunnissa Ramtoola | Gastro-retentive levodopa delivery form |
| WO2005023185A2 (en) | 2003-08-29 | 2005-03-17 | Transform Pharmaceuticals, Inc. | Pharmaceutical compositions and method of using levodopa and carbidopa |
| US20050203185A1 (en) * | 2003-08-29 | 2005-09-15 | Julius Remenar | Pharmaceutical compositions and method of using levodopa and carbidopa |
| WO2006103417A1 (en) * | 2005-03-28 | 2006-10-05 | Orexo Ab | New pharmaceutical compositions useful in the treatment of parkinson's disease |
| US20070003621A1 (en) * | 2005-06-23 | 2007-01-04 | Spherics, Inc. | Dosage forms for movement disorder treatment |
| US20070275060A1 (en) * | 2005-08-05 | 2007-11-29 | Osmotica Costa Rica Sociedad Anonima | Extended release solid pharmaceutical composition containing carbidopa and levodopa |
| US20080131492A1 (en) * | 2006-06-23 | 2008-06-05 | Spherics, Inc. | Dosage forms for movement disorder treatment |
| US20080305150A1 (en) * | 2001-09-28 | 2008-12-11 | Jen Chi Chen | Polymer Composition And Dosage Forms Comprising The Same |
| US20100316712A1 (en) * | 2006-12-22 | 2010-12-16 | Combinatorx, Incorporated | Pharmaceutical compositions for treatment of parkinson's disease and related disorders |
| CN1845728B (zh) * | 2003-08-29 | 2013-06-19 | 转化医药公司 | 包含左旋多巴和卡比多巴的药物组合物 |
| US8557283B2 (en) | 2007-12-28 | 2013-10-15 | Impax Laboratories, Inc. | Controlled release formulations of levodopa and uses thereof |
| US10098845B2 (en) | 2013-10-07 | 2018-10-16 | Impax Laboratories, Llc | Muco-adhesive, controlled release formulations of levodopa and/or esters of levodopa and uses thereof |
| US10987313B2 (en) | 2013-10-07 | 2021-04-27 | Impax Laboratories, Llc | Muco-adhesive, controlled release formulations of levodopa and/or esters of levodopa and uses thereof |
| CN112969455A (zh) * | 2018-11-13 | 2021-06-15 | 日本瓦姆&珀巴尔株式会社 | 粘结剂 |
| US20210395507A1 (en) * | 2018-11-13 | 2021-12-23 | Japan Vam & Poval Co., Ltd. | Binder |
| CN115397469A (zh) * | 2020-04-10 | 2022-11-25 | 日本瓦姆&珀巴尔株式会社 | 粘合剂 |
| US20230405531A1 (en) * | 2020-11-19 | 2023-12-21 | Asahi Kasei Kabushiki Kaisha | Porous membrane |
| US11986449B2 (en) | 2020-12-22 | 2024-05-21 | Amneal Pharmaceuticals Llc | Levodopa dosing regimen |
| US12194150B2 (en) | 2020-12-22 | 2025-01-14 | Amneal Pharmaceuticals Llc | Levodopa dosing regimen |
| US12491164B2 (en) | 2025-06-26 | 2025-12-09 | Impax Laboratories, Llc | Muco-adhesive, controlled release formulation of levodopa and/or esters of levodopa and uses thereof |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6756056B2 (en) * | 1997-04-08 | 2004-06-29 | Alan A. Rubin | Treatment of Parkinson's disease and related disorders by novel formulations of the combination carbidopa-levodopa |
| JP4781352B2 (ja) * | 2004-06-04 | 2011-09-28 | ゼノポート，インコーポレーテッド | レボドパプロドラッグおよびその組成物ならびにその使用 |
| EP2233131A1 (en) * | 2009-03-23 | 2010-09-29 | Laboratorios Lesvi, S.L. | Pharmaceutical composition containing levodopa, entacapone and carbidopa |
| KR20130009553A (ko) * | 2011-07-15 | 2013-01-23 | 한미약품 주식회사 | 몬테루카스트 또는 이의 약학적으로 허용가능한 염 및 레보세티리진 또는 이의 약학적으로 허용가능한 염을 함유하는 캡슐 제제 |
| JP7066351B2 (ja) * | 2017-08-18 | 2022-05-13 | 大原薬品工業株式会社 | 良好な徐放性を有する、レボドパ含有小型化錠剤 |
| CN112955136A (zh) * | 2018-11-13 | 2021-06-11 | 日本瓦姆&珀巴尔株式会社 | 粘结剂 |
| JP6695013B1 (ja) * | 2018-11-13 | 2020-05-20 | 日本酢ビ・ポバール株式会社 | 結合剤 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3769424A (en) * | 1970-10-01 | 1973-10-30 | Merck & Co Inc | Composition and method of treating dopamine deficiency in brain tissue |
| US4424235A (en) * | 1981-09-14 | 1984-01-03 | Hoffmann-La Roche Inc. | Hydrodynamically balanced controlled release compositions containing L-dopa and a decarboxylase inhibitor |
| US4832957A (en) * | 1987-12-11 | 1989-05-23 | Merck & Co., Inc. | Controlled release combination of carbidopa/levodopa |
| US4900755A (en) * | 1986-06-16 | 1990-02-13 | Merck & Co. | Controlled release combination of carbidopa/levodopa |
| US4983400A (en) * | 1986-06-16 | 1991-01-08 | Merck & Co., Inc. | Controlled release combination of carbidopa/levodopa |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE631201C (de) * | 1932-08-07 | 1936-06-16 | Chemische Forschungs Gmbh | Traegerstoff fuer Arzneimittel |
| DE748317C (de) * | 1941-08-17 | 1944-12-19 | Wacker Chemie Gmbh | Verfahren zur Herstellung in Wasser zerfallender Faeden, Filme, Baender, Schlaeuche u. dgl. aus unvollstaendig verseiften Polyvinylalkoholen |
| US3584113A (en) * | 1967-08-31 | 1971-06-08 | Eisai Co Ltd | Process for the production of medical preparations having sustained release of therapeutical effect |
| NL149372B (nl) * | 1968-10-01 | 1976-05-17 | Merck & Co Inc | Werkwijze voor het bereiden van farmaceutische preparaten, alsmede de door toepassing daarvan verkregen gevormde voortbrengselen. |
| IE49522B1 (en) | 1979-04-26 | 1985-10-16 | Merrell Toraude & Co | Alpha-halomethylaminoacids |
| DE3042916A1 (de) * | 1979-06-01 | 1982-07-01 | Joachim 7440 Nürtingen Dudzik | Tablette |
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| CH652025A5 (de) | 1981-09-14 | 1985-10-31 | Hoffmann La Roche | Pharmazeutisches praeparat. |
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